Frequently Asked Questions

Yes, 100%. Our lab-grown diamonds are chemically, physically, and optically identical to mined diamonds. They are pure carbon crystallized in an isometric diamond lattice (Type IIa purity), sharing the exact same hardness (10 on the Mohs scale), refractive index (2.42), and dispersion (0.044) as earth-extracted stones.

Every loose diamond in our inventory is independently graded and certified by leading gemological institutes such as IGI (International Gemological Institute) or GIA (Gemological Institute of America). Each diamond is laser-inscribed on its girdle with its unique certificate number.

Yes. Because lab-grown diamonds possess the identical thermal conductivity and electrical properties as natural mined diamonds, they test positive as real diamonds on all standard thermal and electrical gemstone testers.

All orders include 100% free, fully insured discreet express shipping (FedEx / DHL Express / Brink's Global Services). In-stock loose diamonds dispatch within 24–48 hours. Custom jewelry settings typically ship within 7–12 business days.

Yes. As soon as your order leaves our atelier vault, you will receive an encrypted tracking number via email and SMS with signature-required delivery.

We ship to over 50 countries worldwide including the United States, United Kingdom, European Union, Canada, Australia, Singapore, and UAE. All international duties and taxes can be calculated at checkout.

You can specify your dream diamond shape, carat weight, color, clarity, and ring setting in our 5-step interactive builder. Our master artisans create photorealistic 3D CAD renders for your approval before hand-crafting in platinum or 18k solid gold.

Absolutely. You can upload reference sketches, Pinterest photos, or CAD .stl files directly on our Custom Diamond Builder page or send them to our concierge team.

We offer a 30-day risk-free money-back guarantee on all loose diamonds and standard catalogue jewelry. If you are not completely enchanted by your stone, return it in original condition for a 100% full refund.

Yes. Every Lucent Carat piece includes a Lifetime Authenticity Guarantee, complimentary annual prong tightening, ultrasonic cleaning, and rhodium replating.